EP1754814A4 - Weft knitted fabric including polyurethane elastomer fiber and process for producing the same - Google Patents

Weft knitted fabric including polyurethane elastomer fiber and process for producing the same

Info

Publication number
EP1754814A4
EP1754814A4 EP05748854A EP05748854A EP1754814A4 EP 1754814 A4 EP1754814 A4 EP 1754814A4 EP 05748854 A EP05748854 A EP 05748854A EP 05748854 A EP05748854 A EP 05748854A EP 1754814 A4 EP1754814 A4 EP 1754814A4
Authority
EP
European Patent Office
Prior art keywords
producing
same
knitted fabric
polyurethane elastomer
fabric including
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP05748854A
Other languages
German (de)
French (fr)
Other versions
EP1754814B1 (en
EP1754814A1 (en
Inventor
Kunihiro Fukuoka
Koji Nishio
Seiji Yamahara
Takahiro Yamazaki
Takashi Maruoka
Fumiyuki Yamasaki
Susumu Kibune
Tsutomu Suzuoki
Shigeo Souda
Taisuke Yamamoto
Kouji Kimura
Shinobu Tabata
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gunze Ltd
Nisshinbo Textile Inc
Original Assignee
Gunze Ltd
Nisshinbo Textile Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gunze Ltd, Nisshinbo Textile Inc filed Critical Gunze Ltd
Publication of EP1754814A1 publication Critical patent/EP1754814A1/en
Publication of EP1754814A4 publication Critical patent/EP1754814A4/en
Application granted granted Critical
Publication of EP1754814B1 publication Critical patent/EP1754814B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04BKNITTING
    • D04B1/00Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/14Other fabrics or articles characterised primarily by the use of particular thread materials
    • D04B1/18Other fabrics or articles characterised primarily by the use of particular thread materials elastic threads
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2201/00Cellulose-based fibres, e.g. vegetable fibres
    • D10B2201/01Natural vegetable fibres
    • D10B2201/02Cotton
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/10Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyurethanes
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00Physical properties
    • D10B2401/04Heat-responsive characteristics
    • D10B2401/041Heat-responsive characteristics thermoplastic; thermosetting
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2403/00Details of fabric structure established in the fabric forming process
    • D10B2403/01Surface features
    • D10B2403/011Dissimilar front and back faces
    • D10B2403/0114Dissimilar front and back faces with one or more yarns appearing predominantly on one face, e.g. plated or paralleled yarns
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2501/00Wearing apparel
    • D10B2501/02Underwear
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/40Knit fabric [i.e., knit strand or strip material]
    • Y10T442/413Including an elastic strand
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/40Knit fabric [i.e., knit strand or strip material]
    • Y10T442/425Including strand which is of specific structural definition
    • Y10T442/438Strand material formed of individual filaments having different chemical compositions
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/40Knit fabric [i.e., knit strand or strip material]
    • Y10T442/45Knit fabric is characterized by a particular or differential knit pattern other than open knit fabric or a fabric in which the strand denier is specified
EP05748854.6A 2004-06-09 2005-06-07 Process for producing weft knitted fabric including polyurethane elastomer fiber Active EP1754814B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004171806A JP4761018B2 (en) 2004-06-09 2004-06-09 Weft knitted fabric mixed with polyurethane elastic fiber and method for producing the same
PCT/JP2005/010411 WO2005121424A1 (en) 2004-06-09 2005-06-07 Weft knitted fabric including polyurethane elastomer fiber and process for producing the same

Publications (3)

Publication Number Publication Date
EP1754814A1 EP1754814A1 (en) 2007-02-21
EP1754814A4 true EP1754814A4 (en) 2012-08-22
EP1754814B1 EP1754814B1 (en) 2015-08-19

Family

ID=35503092

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05748854.6A Active EP1754814B1 (en) 2004-06-09 2005-06-07 Process for producing weft knitted fabric including polyurethane elastomer fiber

Country Status (7)

Country Link
US (1) US8173558B2 (en)
EP (1) EP1754814B1 (en)
JP (1) JP4761018B2 (en)
KR (1) KR101160513B1 (en)
CN (1) CN1957125B (en)
TW (1) TWI361235B (en)
WO (1) WO2005121424A1 (en)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100937698B1 (en) * 2005-04-01 2010-01-20 군제 가부시키가이샤 Clothing capable of being cut freely
JP5067974B2 (en) 2006-07-04 2012-11-07 旭化成せんい株式会社 Polyurethane urea elastic fiber
JP4986121B2 (en) * 2006-10-12 2012-07-25 日清紡ホールディングス株式会社 Heat-fusible elastic fiber, method for producing the same, and woven / knitted fabric using the elastic fiber
JP5511146B2 (en) * 2007-03-06 2014-06-04 日清紡ホールディングス株式会社 Molded knitted fabric
TWI473916B (en) * 2007-07-13 2015-02-21 Seiren Co Ltd A double weft knit fabric having superior run and curl resistant characteristic and a method for treating a double weft knit fabric
WO2009141921A1 (en) * 2008-05-21 2009-11-26 株式会社タカギ Free-cut fabric and method of producing the same
KR100897362B1 (en) * 2008-07-10 2009-05-15 이중석 Run proof knit fabric with polyurethan yarn and manufacturing method for the same
BRPI0915235B1 (en) 2008-10-17 2018-10-09 Invista Tech Sarl fibers, fabric and process for the preparation of a multi-component, spun-solution, fusible, elastic fiber
KR101159522B1 (en) * 2008-12-18 2012-06-28 주식회사 효성 Polyurethane elastic fiber
JP4584343B1 (en) * 2009-06-05 2010-11-17 東洋紡スペシャルティズトレーディング株式会社 Brushed knitted fabric with excellent stretchability
CN102160691A (en) * 2010-02-22 2011-08-24 东丽纤维研究所(中国)有限公司 Soft and elastic coat
WO2011158978A1 (en) * 2010-06-16 2011-12-22 (주)효성 Polyurethane mono-elastic yarn
EP2405040B1 (en) * 2010-07-09 2012-11-21 King Yeung Yu A penetration-resistant fabric manufacturing method which prevents yarn breakage during the manufacturing process
CN101967722B (en) * 2010-08-25 2013-10-09 浙江俏尔婷婷服饰有限公司 Health-care knitted underwear and manufacturing method thereof
CN101967723B (en) * 2010-08-25 2012-06-13 浙江俏尔婷婷服饰有限公司 Method for opening seamless knitted underwear
CN102613714A (en) * 2012-04-16 2012-08-01 无锡红豆居家服饰有限公司 Fabric for high-thermal golden armor underwear
JP6204031B2 (en) * 2013-03-12 2017-09-27 株式会社ニューニット Warp knitted fabric
JP6078406B2 (en) * 2013-04-05 2017-02-08 グンゼ株式会社 Ground thickness stretch fabric
DE102013207155B4 (en) 2013-04-19 2020-04-23 Adidas Ag Shoe upper
DE102013207163B4 (en) 2013-04-19 2022-09-22 Adidas Ag shoe upper
US11666113B2 (en) 2013-04-19 2023-06-06 Adidas Ag Shoe with knitted outer sole
DE102013207156A1 (en) 2013-04-19 2014-10-23 Adidas Ag Shoe, in particular a sports shoe
EP3004437B1 (en) 2013-05-29 2019-03-06 Invista Technologies S.à r.l. Fusible bicomponent spandex
CN103451836B (en) * 2013-08-18 2015-09-30 松谷机械(惠州)有限公司 A kind of air layer knitted cloth plaiting duplex weave and plated fabric structure thereof
US20150121966A1 (en) * 2013-11-04 2015-05-07 Pacific Textiles Ltd. Fully spandex weft-knitted cloth and production method thereof and lingerie lining
EP3086943A4 (en) * 2013-12-23 2017-10-04 The North Face Apparel Corporation Textile constructs formed with fusible filaments
US9145629B2 (en) 2014-02-03 2015-09-29 Nike, Inc. Article of footwear including a monofilament knit element with a fusible strand
US8997529B1 (en) * 2014-02-03 2015-04-07 Nike, Inc. Article of footwear including a monofilament knit element with peripheral knit portions
DE102014202432B4 (en) 2014-02-11 2017-07-27 Adidas Ag Improved football boot
CN104018287A (en) * 2014-06-27 2014-09-03 广东兆天纺织科技有限公司 Anti-looseness weft knitted fabric and manufacturing method thereof
DE102014220087B4 (en) 2014-10-02 2016-05-12 Adidas Ag Flat knitted shoe top for sports shoes
TWI571546B (en) * 2014-12-05 2017-02-21 儒鴻企業股份有限公司 Elastic knitted fabric weft structure
CN107429452B (en) 2014-12-24 2021-04-16 英威达纺织(英国)有限公司 Easily settable stretch fabrics comprising low melting fibers
DE102015206301B4 (en) * 2015-04-09 2016-10-27 Adidas Ag Knitted bag
CN105624902A (en) * 2016-02-05 2016-06-01 青岛大学 Anti-ravelling knitted fabric and preparation method thereof
CN106167949A (en) * 2016-06-27 2016-11-30 江苏新凯盛企业发展有限公司 A kind of easily cutting weft knitting elastic double-sided fabric and dyeing and finishing method
CN105951284B (en) * 2016-07-20 2018-08-03 海安启弘纺织科技有限公司 A kind of production technology of anti-channeling tweed
IT201700004581A1 (en) * 2017-01-17 2018-07-17 Miles S P A METHOD OF REALIZING A TEXTILE MANUFACTURING, IN PARTICULAR A CLOTHING ACCESSORY, CONTAINING THERMORETRILABLE YARN AND ITS APPAREL ACCESSORY
US11525197B2 (en) * 2017-04-07 2022-12-13 Nike, Inc. Knitted textile and method of forming
CN107354565B (en) * 2017-06-16 2023-04-07 武汉爱帝针纺实业有限公司 Preparation method of nano antibacterial textile
BR112020005877A2 (en) * 2017-09-26 2020-09-29 Women's Medical Research, Inc. support of the pelvic floor muscle.
CN108385260A (en) * 2018-04-25 2018-08-10 宁波大千纺织品有限公司 It is a kind of freely to cut out seamless connection and be comfortably knitted fabric and preparation method thereof
US11519110B2 (en) * 2018-04-25 2022-12-06 Spanx, Llc Garments with integrated gripping technology
CN113474501B (en) 2019-02-01 2023-05-26 旭化成株式会社 Weft knitted fabric
TWI725409B (en) * 2019-04-03 2021-04-21 三芳化學工業股份有限公司 Knitted structure and manufacturing method thereof
EP3966385A4 (en) * 2019-05-08 2023-01-25 Delta Galil Industries Ltd. Garment and clothes that are unravel-free and roll-free
CN112111843A (en) * 2019-06-21 2020-12-22 广州市天海花边有限公司 Freely cut weft-knitted fabric and manufacturing method thereof
CN110344166B (en) * 2019-06-27 2021-01-29 上海织遇织品有限公司 Knitted fabric and knitting method thereof, cup sleeve, water cup and production method of water cup with cup sleeve
CN110438634B (en) * 2019-07-16 2021-03-02 东华大学 High-shape-preserving knitted collar and preparation method thereof
CN111663235A (en) * 2020-06-22 2020-09-15 东莞晶苑毛织制衣有限公司 Composite knitting method and composite knitwear
CN114875562A (en) * 2022-06-20 2022-08-09 江苏聚杰微纤科技集团股份有限公司 Knitted fabric without loose edges and production method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004053218A1 (en) * 2002-12-12 2004-06-24 Nisshinbo Industries, Inc. Blended woven or knitted fabrics containing polyurethane elastic fibers and process for the production thereof

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0212984B1 (en) * 1985-08-22 1990-05-16 Asahi Kasei Kogyo Kabushiki Kaisha Spatial warp knitted structure and a method and machine for the manufacture thereof
JPS6350554A (en) 1986-08-20 1988-03-03 株式会社島精機製作所 Method for preventing fraying of hem part of knitted fabric
JP3098757B2 (en) 1990-04-27 2000-10-16 東レ・デュポン株式会社 Confounding elastic yarn and elastic knitted fabric
JPH09273050A (en) * 1996-04-03 1997-10-21 Kanebo Ltd Cushioning knitted fabric
BR9808443A (en) * 1998-01-30 2000-05-23 Nisshin Spinning Processes for producing elastic polyurethane yarn and material
JP4560691B2 (en) 1999-11-29 2010-10-13 東洋紡績株式会社 Elastic knitted fabric and cushioning material with excellent cushioning and sag resistance
JP2001164444A (en) 1999-12-06 2001-06-19 Du Pont Toray Co Ltd Knitted fabric of three-dimensional structure
JP2001355126A (en) * 2000-06-13 2001-12-26 Toyobo Co Ltd Polyurethane fiber and stretch fabric highly resistant to alkali, and method for alkali reduction treatment of stretch fabric
JP2002013052A (en) 2000-06-23 2002-01-18 Asahi Kasei Corp Elastic warp knitted fabric
JP2002069804A (en) 2000-08-24 2002-03-08 Matsuzaki Matorikusu Techno:Kk Stretchable knitted fabric having tissue for preventing elastic yarn from falling off
JP3567982B2 (en) * 2000-10-10 2004-09-22 日清紡績株式会社 Coated elastic yarn, stocking, and method of manufacturing stocking
US6644070B2 (en) * 2001-03-29 2003-11-11 Asahi Kasei Kabushiki Kaisha Three-dimensional fabric for seat
US7015299B2 (en) * 2001-04-30 2006-03-21 Wilkinson W Kenneth Melt spun thermoplastic polyurethanes useful as textile fibers
JP2004076209A (en) * 2002-08-20 2004-03-11 Asahi Kasei Fibers Corp Clothing
US6776014B1 (en) * 2003-06-02 2004-08-17 Invista North America S.A.R.L. Method to make circular-knit elastic fabric comprising spandex and hard yarns

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004053218A1 (en) * 2002-12-12 2004-06-24 Nisshinbo Industries, Inc. Blended woven or knitted fabrics containing polyurethane elastic fibers and process for the production thereof
EP1595987A1 (en) * 2002-12-12 2005-11-16 Nisshinbo Industries, Inc. Blended woven or knitted fabrics containing polyurethane elastic fibers and process for the production thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2005121424A1 *

Also Published As

Publication number Publication date
US20080032580A1 (en) 2008-02-07
US8173558B2 (en) 2012-05-08
JP4761018B2 (en) 2011-08-31
TWI361235B (en) 2012-04-01
CN1957125A (en) 2007-05-02
KR20070022725A (en) 2007-02-27
EP1754814B1 (en) 2015-08-19
KR101160513B1 (en) 2012-06-28
EP1754814A1 (en) 2007-02-21
TW200617228A (en) 2006-06-01
WO2005121424A1 (en) 2005-12-22
CN1957125B (en) 2012-10-24
JP2005350800A (en) 2005-12-22

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